The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 03, 2009
Filed:
Jun. 10, 2004
Applicants:
Robert M. Campion, Normal, IL (US);
Chuong Q. Dam, Peoria, IL (US);
Kenneth W. Hall, East Peoria, IL (US);
William J. Rodier, Metamora, IL (US);
Inventors:
Robert M. Campion, Normal, IL (US);
Chuong Q. Dam, Peoria, IL (US);
Kenneth W. Hall, East Peoria, IL (US);
William J. Rodier, Metamora, IL (US);
Assignee:
Caterpillar Inc., Peoria, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
F02M 47/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A coating for fuel injector components adapted for use with low lubricity fuels is disclosed. The invention consists of a metal carbon material coating or a metal nitride coating to the fuel pump plunger or other fuel injection system components. The invention utilizes a coating on the fuel injector plunger that minimizes scuffing or seizure associated with the plunger and barrel.